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Nov. 29, 2017
AGTA ePrism

The 50th Anniversary Discovery of Tsavorite by Campbell Bridges
Writing to honor Campbell Bridges is a humbling task considering the impact he had on our gem world for the past 50 years. MORE

American Gem Trade Association GemFair™ and U.S. Antique Shows to Co-Locate in Las Vegas
The American Gem Trade Association (AGTA) and U.S. Antique Shows are pleased to announce that their Las Vegas events will be co-located at the Las Vegas Convention Center, beginning in June of 2019. MORE

A Night Among Gems
Los Angeles GIA Alumni Association
The Los Angeles GIA Alumni Association proudly presents their 2nd Annual Night among Gems at the Natural History Museum of Los Angeles. MORE

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2017 Zi Gang Bei International Jade Exhibition
Naomi Sarna - AGTA Member
AGTA Member, Naomi Sarna, Naomi Sarna Designs, of New York, won a Bronze Medal at the 2017 Zi Gang Bei International Jade Exhibition in Suzhou, China closing November 20, 2017. MORE

One of December's Birthstones: Turquoise
Add More Color to Your Life
Turquoise, with its distinctive robin's egg blue, is among the oldest known gemstones. MORE

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13 Brilliant Gifts for the Jewelry Lover
Robb Report
See AGTA Member, Goshwara featured in this article! Exceptional cocktail rings to cool cuff bracelets, these are for gem lovers. MORE

Deirdre Featherstone's Statement-Making Jewels Will Turn Heads
Robb Report
See AGTA Member, Featherstone Design featured in this article. On a November morning at Bergdorf Goodman, the New York City-based jewelry designer Deirdre Featherstone stands behind two showcases and assesses the riot of opal jewels strewn across the counter. MORE

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Know your garnets: rhodolite
The Jewellery Editor
The dusky beauty of the garnet family, we explore why rhodolites have become the bright and beautiful alternative to other red gemstones such as ruby. MORE

How to automate your social media marketing while you are on vacations
Your Story
How social media automation can help you go hands-free on your solo trip, family gatherings and more. MORE

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Step inside the Diamond Council Reading Room!

The Diamond Council of America invites AGTA members to visit our online Reading Room, which features a library of articles, videos and other resources to help your business thrive.



IGI, the Standard
of Excellence
in Gemology
since 1975

IGI, a worldwide gemological laboratory, providing objective and accurate grading, identification and appraisal reports for gemstones and fine jewelry along with laser inscription and educational courses

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ePRISM is always looking for interesting content.  If you have stories related to colored gemstones or pearls to share with our readers please email them to for consideration.  Send web links or separate files.

The articles and website links appearing in ePrism, and not written by the American Gem Trade Association, are included in the e-publication as general information from -- and for -- the Trade, but do not necessarily reflect the opinion or endorsement of the American Gem Trade Association and its members.

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